To use your digital copy on more than one computer, you must have the Google Play app installed on each computer. You can download the Google Play app from the Google Play website or from the Microsoft Store.
Once you have installed the Google Play app on each computer, you can sign in to your Google Account and access your digital copy. To do this, open the Google Play app and click on the "My Library" tab. You will then see a list of all of your digital copies.
To install a digital copy on a computer, simply click on the "Install" button next to the title. The digital copy will then be installed on your computer.
You can use your digital copy on up to 10 computers at the same time. If you try to install a digital copy on more than 10 computers, you will be prompted to remove the digital copy from one of your other computers.
To remove a digital copy from a computer, open the Google Play app and click on the "My Library" tab. You will then see a list of all of your digital copies. To remove a digital copy, simply click on the "Uninstall" button next to the title.